Finding the Fourth Proportional to 1,512,048,639.15, 2,086,619,668.50 and 877,097,546.97
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Solution
The fourth proportional to 1,512,048,639.15, 2,086,619,668.50 and 877,097,546.97 is: 1,210,390,291.23
Step by Step Solution
- Step 1: Write the proportion equation
1,512,048,639.15 : 2,086,619,668.50 = 877,097,546.97 : x - Step 2: Convert to fraction form
1,512,048,639.15/2,086,619,668.50 = 877,097,546.97/x - Step 3: Cross multiply
1,512,048,639.15x = 2,086,619,668.50 × 877,097,546.97 - Step 4: Simplify right side
1,512,048,639.15x = 1,830,168,992,700,704,512 - Step 5: Solve for x
x = 1,830,168,992,700,704,512/1,512,048,639.15 - Step 6: Final answer
x = 1,210,390,291.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.